The population density of India from 1901 to 2011 is shown in Statement 31. At the beginning of the twentieth century i.e. in 1901 the density of India was as low as 77 persons per sq. km.This steadily increased in each decade to reach 382 persons per sq. km. in 2011.he population density of India from 1901 to 2011 is shown in Statement 31. At the beginning of the twentieth century i.e. in 1901 the density of India was as low as 77 persons per sq. km.
How they can cause insomnia: Alpha-blockers are linked to decreased REM (rapid eye movement) sleep â the stage of sleep when people dream â and daytime sedation or sleepiness. The proportion of REM sleep drops markedly in old age, and people deprived of REM sleep can experience memory problems.
Sleep maintenance insomnia can also be caused by or exacerbated by other factors such as; Excess Caffeine. Too much caffeine, especially in the afternoons or evenings, can cause sleep maintenance insomnia by producing fewer periods of slow wave or deep sleep.